MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 daa11a454d19db26e0628d81c0b187667405e26c08bdd466e43565d9b065c952. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


FormBook


Vendor detections: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: daa11a454d19db26e0628d81c0b187667405e26c08bdd466e43565d9b065c952
SHA3-384 hash: 12366e1e03dc3531e07497aaa0ef48a488f39bb62c05e5491c04103b0ce4ce5363bfb5c828d304664b1136d0dde924f5
SHA1 hash: 59650ae5cc6203b84b7010c08ead59e553b61722
MD5 hash: 6a758e0a690144c1f4af9b1e97fc00b5
humanhash: mississippi-california-wisconsin-cat
File name:New Quotation.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:937'472 bytes
First seen:2020-08-04 07:43:23 UTC
Last seen:2020-08-04 09:08:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:c5tD8H+HgK1kIWi7RpYhiqJrTGBuMq1V5p4wJ8hkdTq8:cH8H2/SIWi7RpYhrGBuJVJZ
Threatray 5'032 similar samples on MalwareBazaar
TLSH 44155CC2F1409A51C85A4E3A8D23DA9453737D6AEF47D71634C4BE2B78E34C39B26683
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: cloudhost-150218.us-midwest-1.nxcli.net
Sending IP: 104.207.254.25
From: MORSTAR GENERAL TRADING <aarti.paigwal@morstar.com.in>
Subject: Morstar General Trading
Attachment: New Quotation.zip (contains "New Quotation.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38310/
Detection(s):
SecuriteInfo.com.Backdoor.MSIL.Bladabindi.26668.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408833
Signature
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 256663 Sample: New Quotation.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 46 www.fashion-phoenix.com 2->46 48 fashion-phoenix.com 2->48 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 10 other signatures 2->62 11 New Quotation.exe 7 2->11         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\FIPcTOEbwm.exe, PE32 11->38 dropped 40 C:\Users\...\FIPcTOEbwm.exe:Zone.Identifier, ASCII 11->40 dropped 42 C:\Users\user\AppData\Local\...\tmpC9B4.tmp, XML 11->42 dropped 44 C:\Users\user\...44ew Quotation.exe.log, ASCII 11->44 dropped 64 Injects a PE file into a foreign processes 11->64 15 New Quotation.exe 11->15         started        18 schtasks.exe 1 11->18         started        20 New Quotation.exe 11->20         started        22 New Quotation.exe 11->22         started        signatures6 process7 signatures8 72 Modifies the context of a thread in another process (thread injection) 15->72 74 Maps a DLL or memory area into another process 15->74 76 Sample uses process hollowing technique 15->76 78 Queues an APC in another process (thread injection) 15->78 24 explorer.exe 15->24 injected 27 conhost.exe 18->27         started        process9 dnsIp10 50 www.ristohotelcastellani.com 24->50 52 www.goodguysblogblack.com 24->52 54 www.dimasjts.com 24->54 29 svchost.exe 24->29         started        32 autoconv.exe 24->32         started        process11 signatures12 66 Modifies the context of a thread in another process (thread injection) 29->66 68 Maps a DLL or memory area into another process 29->68 70 Tries to detect virtualization through RDTSC time measurements 29->70 34 cmd.exe 1 29->34         started        process13 process14 36 conhost.exe 34->36         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/daa11a454d19db26e0628d81c0b187667405e26c08bdd466e43565d9b065c952/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 07:45:07 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3kqrurkndhnsnydcrwa4bmmhmz2alytmbc65izxegvs5tmdfzfja._file
Verdict:
malicious
Similar samples:
34670f14b9ca4fcb265b261d99b7178e489b63bfd9c0c3d06ce633f474aa12c4
FormBook
474af782fd84f7b982a4c49deeaf3431aeadd1e52528dc7dd8e3bb29bde9c40f
FormBook
48f5ec7f8dface6902c82f810be45ae1d8be5f3697afc232743b9153d46883a6
FormBook
7c1edf2a2fd0fc1499931f60cd7363812513b4f410ae32677a7a63c355568ecd
FormBook
af7aa3b76b8d11ba1d518006e2b4ea6d574573bd2bba6594a57825e33f9ed87c
FormBook
b2528047a7c839ca84e666660705feb2bcda640a0d5686d063406446176f3cc0
FormBook
d4cca60154fcc667ada19dffbac16f84b51691a540daf850a766b91bd46544fe
FormBook
db914bd57e726ca85a49a1747e81e86c89c3548ad941727a8d6c7d8b5eafa04f
FormBook
f1044b4d40e2d3df5e586d5c8c58e49fa4795eed6b6afb44b506efe4319f4d0c
FormBook
fd8099db1cfa62c7507e5d163096c9c558b653540cad6f8f0211e12f1f623933
FormBook
+ 5'022 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat spyware evasion trojan stealer family:formbook persistence
Link:
https://tria.ge/reports/200804-eftzhtxkzj/
Behaviour
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Creates scheduled task(s)
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/daa11a454d19db26e0628d81c0b187667405e26c08bdd466e43565d9b065c952

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

FormBook

zip 1adaa8420a2f3281e04fcc500815e5519fc3e52e8457fd36903f41b688f3501a

FormBook

Executable exe daa11a454d19db26e0628d81c0b187667405e26c08bdd466e43565d9b065c952

(this sample)

  
Dropped by
MD5 bfc03e8f1f79c9bff2ffdcafc646a275
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38310/
  
Dropped by
SHA256 1adaa8420a2f3281e04fcc500815e5519fc3e52e8457fd36903f41b688f3501a

Comments